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Finding the Fourth Proportional to 706,843.33, 975,448.03 and 384,555.74

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Solution

The fourth proportional to 706,843.33, 975,448.03 and 384,555.74 is: 530,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,843.33 : 975,448.03 = 384,555.74 : x
  2. Step 2: Convert to fraction form
    706,843.33/975,448.03 = 384,555.74/x
  3. Step 3: Cross multiply
    706,843.33x = 975,448.03 × 384,555.74
  4. Step 4: Simplify right side
    706,843.33x = 375,114,139,008.19
  5. Step 5: Solve for x
    x = 375,114,139,008.19/706,843.33
  6. Step 6: Final answer
    x = 530,689.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.